Need TIG Help ? with SST.

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i got a TIG Calculator, but it don't go as low as i need. does anyone know what heat setting i need for SST 0.025" thick ? i am hoping on my guess to be close. i am thinking around 5-20 amps ?MikeHH210Hobart Champ 10KLincoln Buzz BoxCampbell Hausfeld 115Victor JourneymanMilwaukee 14" Chop Saw7" Chop Saw4/12" horz band sawmetal benderother toys forthcoming.
Reply:Do you have a pedal? Try to set it a 20 to 25 max with a .040 tungsten or a 1\16 with a really fine point, and use the pedal to control the current.  Ceriated tungsten works better at low amps if you have it but thoriated will work too.  Get a lighter filter lens for your helmet so you can see the puddle better.  If your going to use wire use the thinest you can find of whatever alloy your trying to weld.